CN1260316C - UV solidifying pressure sensitive coating capable of stripping and preparation process thereof - Google Patents
UV solidifying pressure sensitive coating capable of stripping and preparation process thereof Download PDFInfo
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- CN1260316C CN1260316C CN 200410022029 CN200410022029A CN1260316C CN 1260316 C CN1260316 C CN 1260316C CN 200410022029 CN200410022029 CN 200410022029 CN 200410022029 A CN200410022029 A CN 200410022029A CN 1260316 C CN1260316 C CN 1260316C
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- Prior art keywords
- acrylate
- parts
- dipentaerythritol
- adhesive film
- pressure sensitive
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- 238000002360 preparation method Methods 0.000 title abstract description 20
- 238000000576 coating method Methods 0.000 title description 9
- 239000011248 coating agent Substances 0.000 title description 4
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims abstract description 22
- 229920001577 copolymer Polymers 0.000 claims abstract description 22
- 239000000203 mixture Substances 0.000 claims abstract description 20
- 239000000178 monomer Substances 0.000 claims abstract description 16
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 12
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims abstract description 8
- -1 acrylic ester Chemical class 0.000 claims abstract description 7
- 239000002253 acid Substances 0.000 claims abstract description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 33
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 31
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 21
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 18
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 18
- 229910021529 ammonia Inorganic materials 0.000 claims description 17
- 150000002148 esters Chemical class 0.000 claims description 17
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 13
- SSOONFBDIYMPEU-UHFFFAOYSA-N [3-hydroxy-2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propyl] prop-2-enoate Chemical compound OCC(CO)(CO)COCC(CO)(CO)COC(=O)C=C SSOONFBDIYMPEU-UHFFFAOYSA-N 0.000 claims description 11
- DLUPHJKQEIIYAM-UHFFFAOYSA-N 1-(2-ethoxyphenyl)-2-hydroxy-2-phenylethanone Chemical compound CCOC1=CC=CC=C1C(=O)C(O)C1=CC=CC=C1 DLUPHJKQEIIYAM-UHFFFAOYSA-N 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 5
- HVVWZTWDBSEWIH-UHFFFAOYSA-N [2-(hydroxymethyl)-3-prop-2-enoyloxy-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(CO)(COC(=O)C=C)COC(=O)C=C HVVWZTWDBSEWIH-UHFFFAOYSA-N 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 239000012948 isocyanate Substances 0.000 claims description 4
- 150000002513 isocyanates Chemical class 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 4
- 125000004805 propylene group Chemical class [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 4
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 2
- 239000003292 glue Substances 0.000 abstract description 6
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 abstract description 3
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 abstract description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 125000004386 diacrylate group Chemical group 0.000 abstract description 2
- 239000002313 adhesive film Substances 0.000 abstract 2
- RXQKKPDQYISKHD-UHFFFAOYSA-N 2-ethylhexyl prop-2-enoate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCCCC(CC)COC(=O)C=C RXQKKPDQYISKHD-UHFFFAOYSA-N 0.000 abstract 1
- 239000003344 environmental pollutant Substances 0.000 abstract 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 abstract 1
- 231100000719 pollutant Toxicity 0.000 abstract 1
- 238000005286 illumination Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 238000004026 adhesive bonding Methods 0.000 description 4
- 229920006267 polyester film Polymers 0.000 description 4
- KHOUKKVJOPQVJM-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)propane-1,3-diol;prop-2-enoic acid Chemical compound OC(=O)C=C.OCC(CO)(CO)CO KHOUKKVJOPQVJM-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- 238000003848 UV Light-Curing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000010526 radical polymerization reaction Methods 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 229920002126 Acrylic acid copolymer Chemical group 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 239000005058 Isophorone diisocyanate Substances 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-N Propionic acid Chemical class CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 125000005395 methacrylic acid group Chemical class 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- VVWRJUBEIPHGQF-UHFFFAOYSA-N propan-2-yl n-propan-2-yloxycarbonyliminocarbamate Chemical compound CC(C)OC(=O)N=NC(=O)OC(C)C VVWRJUBEIPHGQF-UHFFFAOYSA-N 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention discloses a UV solidified pressure-sensitive adhesive film capable of being peeled off and a preparation method thereof. Used copolymers are composed of various kinds of acrylic ester, and particularly, acrylic acid 2-ethylhexyl acrylate having larger cohesive force, butyl acrylate, hydrophilic hydroxyethyl acrylate, methylpropan dilute acid, acrylic acid, etc. are added, and the molecular weight of the copolymers is controlled at about 1000000. A mixture of dipentaerytritol pentaacrylate and dipentaerytritol hexaacrylate which are easy to be synthesized is used as a photocureable monomer, and urethano diacrylate which partially contains urethano is added to increase the bonding strength and the toughness of glue which is not solidified. Proved by experiments, the initial bonding force of the adhesive film can reach 350 to 400g/25mm, and after UV irradiation, the bonding force of the adhesive film can be dropped to 10 to 15g/25mm. The present invention has the advantages of easy peeling, corrosion resistance, cleanness and no residue and pollutant.
Description
[technical field]:
The present invention relates to a kind of UV and solidify the releasable pressure sensitive adhesive film.
[background technology]:
All need the quick glued membrane of UV curing to play a part to support and protection in electronics industry chip cutting, encapsulation, chip lift-launch and COF (Chip on FPC promptly carries the flexible PCB of chip) manufacturing; shine and completely solidified through UV after processing or the encapsulation; cohesive force is reduced greatly; be easy to strip down, and do not stay any pollutent residue.
At the end of the eighties, the patent (JP62062833 JP01297483) that the UV of chip manufacture solidifies the releasable pressure sensitive adhesive band has appearred being specifically designed to.Patent increases gradually later on, basically all be the acrylate monomer of more function group, as tetramethylolmethane vinylformic acid polyester, UV curing monomers such as urethane acrylate are dissolved in the solution of multiple acrylate copolymer, as butyl acrylate, vinylformic acid, the multipolymer of Hydroxyethyl acrylate adds mixture that the UV polymerization starter forms again and is applied on the polyester insulating film of silane treatment drying and transfers on the PE film, agingly obtains the gluing sheet material good cohesive strength is arranged.After UV solidifies, can well peel off, on silicon chip SUS and sheet glass, not stay stain and Copper Foil is not had corrosion (JP200044889).
In U.S. Pat 6258426, the preparation of UV solidified pressure-sensitive is: dipentaerythritol acrylate, the radical initiator polyisocyanates, CoronateT, join in the ethyl acetate solution of acrylate copolymer, this multipolymer is by butyl acrylate, and acrylic acid copolymer forms, molecular weight about 800,000.In this patent, particularly point out, add the UV light absorber in the barrier film and can be the time lengthening that Pressuresensitive Tape is preserved, less to performance impact under faint illumination.
The prescription of seeking the more excellent UV solidified pressure-sensitive of performance is the problem of always all studying in the industry.
[summary of the invention]:
Purpose of the present invention is exactly in order to overcome the above problems, and provides a kind of UV to solidify the releasable pressure sensitive adhesive film, and initial adhesion power is strong, and after the UV irradiation, cohesive force descends, and peels off easily, erosion resistance, cleaning noresidue and pollutent.
For achieving the above object, the present invention proposes a kind of UV and solidifies the releasable pressure sensitive adhesive film, it is characterized in that: comprise by weight---acrylate copolymer solution 90-110 part; Ammonia ester acrylate 10-15 part; Dipentaerythritol five acrylate/dipentaerythritol acrylate mix monomer 10-20 part; Ethoxybenzoin 2-4 part; Each component content per-cent sum is 100%; Described umber is parts by weight; Described acrylate copolymer is by 80 parts of butyl acrylates, 15 parts of 2-EHAs, and 3 parts of vinylformic acid, 2 parts of methacrylic acid polymerizations are made into 50% solution in 1: 1 toluene/ethyl acetate agent; Ammonia ester vinylformic acid is to obtain isocyanate terminated compound by 1 mole of dibasic alcohol and 2 moles of vulcabond in 3 hours 80 ℃ of reactions, obtains with 2 mol propylenes acid 2-hydroxyl ethyl ester reaction again; Mix monomer is Dipentaerythritol five acrylate and 1: 1 mixture of dipentaerythritol acrylate; Described umber is parts by weight.
Also comprise pentaerythritol triacrylate greater than 0 weight part, smaller or equal to 10 weight parts.
Described dibasic alcohol is ethylene glycol or condensation ethylene glycol; Described vulcabond is tolylene diisocyanate TDI.
Owing to adopted above scheme, experiment showed, that initial adhesion power reaches 350-400 gram/25mm.After the UV irradiation, cohesive force drops to 10-15 gram/25mm, peels off erosion resistance, cleaning noresidue and pollutent easily.
[embodiment]:
Also the present invention is described in further detail in conjunction with the accompanying drawings below by specific embodiment.
The multipolymer that the UV solidified pressure-sensitive film of the present invention's development uses is made up of multiple acrylate, adds the big butyl acrylate of force of cohesion, hydrophilic methacrylic acid and vinylformic acid etc.; Molecular weight of copolymer is controlled at about 1,000,000.Photo-curing monomer uses easy synthetic Dipentaerythritol five acrylate and Dipentaerythritol six propionates, has increased the cohesive strength and the toughness of uncured glue.
Its preparation method is an acrylic acid synthesizing ester copolymer at first, several acrylate mixtures are in the presence of radical initiator, carry out radical polymerization and obtain acrylate copolymer, and then preparation ammonia ester acrylate, be low-molecular-weight diol and vulcabond, reaction obtains isocyanate terminated compound earlier, obtain ammonia ester acrylate with the Hydroxyethyl acrylate reaction again, acrylate copolymer is dissolved in the solvent, add Dipentaerythritol five acrylate and dipentaerythritol acrylate mix monomer or can add a little pentaerythritol triacrylates again, and synthetic ammonia ester acrylate, after stirring, add the light trigger ethoxybenzoin, the formation glue that stirs is applied on the polyester film, after the oven dry, go up interleaving paper again, just obtain needed UV and solidify peelable pressure-sensitive adhesive film.
When the preparation acrylate copolymer, the acrylate of use has butyl acrylate, ethyl propenoate, and methyl acrylate, 2-EHAs etc. also can use methyl acrylic ester, add a spot of vinylformic acid or and methacrylic acid simultaneously.
When preparation ammonia ester acrylic compound, the dibasic alcohol that uses is TDI as ethylene glycol or condensation ethylene glycol, used vulcabond, MDI or IPDI etc., first-selected TDI.
The used solvent of preparation glue is a toluene, ethyl acetate or their mixture, 1: 1 mixture of first-selected toluene/ethyl acetate.
Be coated on to apply on the back of the body formula coating machine and be coated with used polyester film thickness between 100-200cm, the polyester film of first-selected 130-150um is by control gelatin viscosity and pulling speed control gluing thickness, drying tunnel temperature is controlled at 100-110 ℃, and the time was controlled at 7-10 minute in drying tunnel.
UV solidifies the first cohesive force of releasable pressure sensitive adhesive film could satisfy the requirement of supporting more than 300 gram/25mm, after the UV rayed, cohesive force is just peeled off below being reduced to 20 gram/25mm easily, and does not stay residue.
Embodiment 1:
Adopt free radical polymerization: synthesizing propylene acid butyl ester, vinylformic acid, methacrylic acid, 2-EHA multipolymer in toluene solution.
In reactor, add 80 gram butyl acrylates, 15 gram 2-EHAs, 3 gram vinylformic acid, 2 gram methacrylic acids, 100 gram toluene, stirring and dissolving, add 0.1 gram Diisopropyl azodicarboxylate, carry out solution polymerization at 80-90 ℃, polymerization time 8-12 hour, precipitate and separate, drying obtain the multipolymer (abbreviation acrylate copolymer) of molecular weight 80-100 ten thousand.
The preparation of ammonia ester acrylate: 1 mole of glycol ether and 2 moles of TDI obtain isocyanate terminated compound 80 ℃ of reactions 3 hours, with the reaction of 2 mol propylenes acid 2-hydroxyl ethyl ester, generate end acrylate oligo-ether (abbreviation acrylate copolymer) again.
The preparation of pressure sensitive adhesive solution: the solution that acrylate copolymer is dissolved into formation 50% in the toluene/ethyl acetate (1: 1), get this solution 100 grams, add 20 gram Dipentaerythritol five acrylate and dipentaerythritol acrylate (1: 1) mix monomers, 10 gram synthetic ammonia ester acrylate.After stirring, add light trigger, ethoxybenzoin 3 grams, the back coating stirs.
Gluing on coating machine, drying tunnel temperature 100-110 ℃, above-mentioned glue is applied on the transparent polyester film of thickness 150um, pressure-sensitive adhesive layer thickness 10-20um separates with interleaving paper.
Initial adhesion power 400 gram/25mm before the UV illumination, after the UV rayed, cohesive force drops to 10 gram/25mm, peels off easily, and does not stay any residue.
Embodiment 2
Acrylate copolymer, the preparation prescription of ammonia ester acrylate and reaction conditions and embodiment 1 are identical.The preparation of pressure sensitive adhesive solution is also substantially the same manner as Example 1, and just Dipentaerythritol five acrylate/dipentaerythritol acrylate mix monomer consumption is 10 grams, and coating process is also with embodiment 1.
Initial adhesion power 350 gram/25mm before the UV illumination, cohesive force drops to 15 gram/25mm after the UV rayed, peels off easily, does not stay any residue.
Embodiment 3
Acrylate copolymer, the preparation prescription of ammonia ester acrylate and reaction conditions and embodiment 1 are identical.The preparation of pressure sensitive adhesive solution is also substantially the same manner as Example 1, and just Dipentaerythritol five acrylate/Dipentaerythritol six vinylformic acid mix monomer consumptions are that 10 grams add tetramethylolmethane vinylformic acid three esters 10 grams again, and coating process is also with embodiment 1.
Initial adhesion power 350 gram/25mm before the UV illumination, after the UV rayed, cohesive force drops to 12 gram/25mm, peels off easily, does not stay any residue.
Embodiment 4
The preparation prescription of acrylate copolymer ammonia ester acrylate and reaction conditions and embodiment 1 are identical, and just ammonia ester acrylate consumption is 15 grams, and coating process is also with embodiment 1.
Initial adhesion power 400 gram/25mm before the UV illumination, cohesive force drops to 12 gram/25mm after the UV rayed, peels off easily, does not stay any residue.
Comparative example 1
Acrylate copolymer, ammonia ester vinylformic acid is worth preparation prescription and reaction conditions and embodiment 1 identical, the preparation of pressure sensitive adhesive solution is also substantially the same manner as Example 1, does not just add Dipentaerythritol five acrylate/dipentaerythritol acrylate mix monomer, and coating process is also with embodiment 1.
Initial adhesion power 200 gram/25mm before the UV illumination, cohesive force drops to 20 gram/25mm after the UV rayed, stays the small amount of residual thing after peeling off.
Comparative example 2
Acrylate copolymer, the preparation prescription of ammonia ester acrylate and reaction conditions and embodiment 1 are identical, the preparation of pressure sensitive adhesive solution is also substantially the same manner as Example 1, the preparation of pressure sensitive adhesive solution is also substantially the same manner as Example 1, does not just add Dipentaerythritol five acrylate/dipentaerythritol acrylate mix monomer.And adding 10 gram pentaerythritol triacrylates, coating process is also with embodiment 1.
Initial adhesion power 250 gram/25mm before the UV illumination, cohesive force drops to 40 gram/25mm after the UV rayed, stays the small amount of residual thing after peeling off.
Above embodiment and comparative example pressure-sensitive adhesive formula and performance are listed in the table below, and as can be seen, do not have Dipentaerythritol five acrylate/dipentaerythritol acrylate mix monomer, and pressure sensitive adhesive characteristic can not satisfy service requirements.In addition, experiment showed, and to add the big 2-EHA of force of cohesion in the polymkeric substance, hydrophilic Hydroxyethyl acrylate etc., also can add the diacrylate that partly contains urethano in the pressure-sensitive adhesive film,, improve performance with the cohesive strength and the toughness of the uncured glue of further increase.
| Consumption (gram) | ||||||
| Composition | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative example 1 | Comparative example 2 |
| Acrylate copolymer | 100 | 100 | 100 | 100 | 100 | 100 |
| Ammonia ester acrylate | 10 | 10 | 10 | 15 | 10 | 10 |
| Mix monomer | 20 | 10 | 10 | 20 | - | - |
| Pentaerythritol triacrylate | - | - | 10 | - | - | 10 |
| Ethoxybenzoin | 3 | 3 | 3 | 3 | 3 | 3 |
| The pressure sensitive adhesive bonding is made every effort to overcome/25mm | ||||||
| After the UV illumination | 400 | 350 | 350 | 400 | 200 | 250 |
| After the UV illumination | 10 | 15 | 12 | 12 | 50 | 40 |
Claims (3)
1, a kind of UV solidifies the releasable pressure sensitive adhesive film, it is characterized in that: comprise by weight---acrylate copolymer solution 90-110 part; Ammonia ester acrylate 10-15 part; Dipentaerythritol five acrylate/dipentaerythritol acrylate mix monomer 10-20 part; Ethoxybenzoin 2-4 part;
Each component content per-cent sum is 100%; Described umber is parts by weight;
Described acrylate copolymer is by 80 parts of butyl acrylates, 15 parts of 2-EHAs, and 3 parts of vinylformic acid, 2 parts of methacrylic acid polymerizations are made into 50% solution in 1: 1 toluene/ethyl acetate solvent; Ammonia ester acrylate is to obtain isocyanate terminated compound by 1 mole of dibasic alcohol and 2 moles of vulcabond in 3 hours 80 ℃ of reactions, obtains with 2 mol propylenes acid 2-hydroxyl ethyl ester reaction again; Mix monomer is Dipentaerythritol five acrylate and 1: 1 mixture of dipentaerythritol acrylate; Described umber is parts by weight.
2, UV as claimed in claim 1 solidifies the releasable pressure sensitive adhesive film, it is characterized in that: comprise that also pentaerythritol triacrylate is greater than 0 weight part, smaller or equal to 10 weight parts.
3, UV as claimed in claim 1 solidifies the releasable pressure sensitive adhesive film, and it is characterized in that: described dibasic alcohol is ethylene glycol or condensation ethylene glycol; Described vulcabond is tolylene diisocyanate TDI.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410022029 CN1260316C (en) | 2004-03-11 | 2004-03-11 | UV solidifying pressure sensitive coating capable of stripping and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410022029 CN1260316C (en) | 2004-03-11 | 2004-03-11 | UV solidifying pressure sensitive coating capable of stripping and preparation process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1560166A CN1560166A (en) | 2005-01-05 |
| CN1260316C true CN1260316C (en) | 2006-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410022029 Expired - Fee Related CN1260316C (en) | 2004-03-11 | 2004-03-11 | UV solidifying pressure sensitive coating capable of stripping and preparation process thereof |
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| CN (1) | CN1260316C (en) |
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| JP5047556B2 (en) * | 2006-07-26 | 2012-10-10 | リンテック株式会社 | Adhesive for bonding optical functional film, optical functional film with adhesive, and method for producing the same |
| JP5089201B2 (en) * | 2007-03-12 | 2012-12-05 | 日東電工株式会社 | Acrylic adhesive tape or sheet and method for producing the same |
| CN101275059B (en) * | 2007-03-28 | 2012-05-23 | 深圳丹邦科技股份有限公司 | Heat-resistant strippable micro-viscous pressure-sensitive adhesive film and preparation thereof |
| CN101649165B (en) * | 2009-08-31 | 2011-12-28 | 广东达美新材料有限公司 | Ultraviolet curing pressure sensitive adhersive for polyethylene protective film and preparation method thereof |
| JP5123991B2 (en) * | 2010-06-09 | 2013-01-23 | 株式会社オートネットワーク技術研究所 | Anticorrosive, coated electric wire with terminal and wire harness |
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2004
- 2004-03-11 CN CN 200410022029 patent/CN1260316C/en not_active Expired - Fee Related
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